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<h2>GLOBALCTRLFUNC_CB<span class="auto-style1"> (since 3.20)</span></h2>
<p>Global callback for a restricted set of keys. Called only when the Ctrl+F? 
key combinations are pressed. It was designed to be used for internal 
application debugging porpoises only. Do not use it for release code.</p>
<h3>Callback</h3>
<pre>void function(int <strong>c</strong>); [in C]</pre>
<p>
<strong>c</strong>:
  identifier of typed key. Please refer to the
  <a href="../attrib/key.html">Keyboard Codes</a>
  table for a list of possible values.</p>
<h3>Notes</h3>
<p>It can only be set using <b>IupSetFunction(</b>name, func<b>)</b>.</p>
<h4>Lua Binding&nbsp;</h4>
<p>To modify this action use the iup.<strong>SetGlobalCallback</strong>(name, func) 
function.</p>
<h3>See Also</h3>
<p><a href="../func/iupsetfunction.html">IupSetFunction</a></p>

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